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Subject[PATCH 22/27] x86: debugctlmsr constants
Date

This adds constant macros for a few of the bits in MSR_IA32_DEBUGCTLMSR.

Signed-off-by: Roland McGrath <roland@redhat.com>
---
include/asm-x86/msr-index.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h
index a494473..4045bbe 100644
--- a/include/asm-x86/msr-index.h
+++ b/include/asm-x86/msr-index.h
@@ -63,6 +63,13 @@
#define MSR_IA32_LASTINTFROMIP 0x000001dd
#define MSR_IA32_LASTINTTOIP 0x000001de

+/* DEBUGCTLMSR bits (others vary by model): */
+#define _DEBUGCTLMSR_LBR 0 /* last branch recording */
+#define _DEBUGCTLMSR_BTF 1 /* single-step on branches */
+
+#define DEBUGCTLMSR_LBR (1UL << _DEBUGCTLMSR_LBR)
+#define DEBUGCTLMSR_BTF (1UL << _DEBUGCTLMSR_BTF)
+
#define MSR_IA32_MC0_CTL 0x00000400
#define MSR_IA32_MC0_STATUS 0x00000401
#define MSR_IA32_MC0_ADDR 0x00000402
-
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